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disk mirroring (RAID 1)

RAID 1 is one of the most common RAID levels and the most reliable. Data is written to two places simultaneously, so if one disk fails, the other can be used to retrieve data.See More

Word of the Day Archive

Newest and Updated Terms


Buzzword Alert


Fifth-generation wireless (5G) is the latest iteration of cellular technology, engineered to greatly increase the speed and responsiveness of wireless networks.

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Essential Knowledge

Nexus of 5G, edge computing and IoT poised to retool networking

The combination of 5G and edge computing could introduce several changes for network operations. Find out why the network infrastructure -- along ...

How does 5G network slicing work, and what are the benefits?

5G network slicing promises the delivery of a new generation of high-speed services, including the transmission of 4K and augmented virtual reality ...

How does 802.11ax security benefit from WPA3?

Security methods like WPA3 and Opportunistic Wireless Encryption will give a boost to 802.11ax security, but securing the new wireless standard is ...

New Qualcomm Wi-Fi 6 platforms bring speed to large networks

Wi-Fi 6-enabled Qualcomm Networking Pro Series platforms come in four configurations, but all are intended for use in dense, congested networks like ...

  • Certifications


    Use this CCNA practice test as study material to prepare for the Cisco CCNA Routing and Switching 200-125 exam. With 20 questions on a range of topics, we're not playing around.

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  • IT Management


    Think you know what it takes to create a positive employee experience for your workers? Take this EX quiz to test your savvy and see where you need work.

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  • IT Infrastructure


    Are you up to speed on composable disaggregated infrastructure and technology? Take our quiz to find out if you know how composability works and how it can benefit you.

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  • Cloud


    Are you familiar with the vendor services and tools that can support a cloud migration? Take this quiz and see what you know about cloud migration services.

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  • risk management

    Risk management is the process of identifying, assessing and controlling threats to an organization's capital and earnings.

  • compliance as a service (CaaS)

    Compliance as a Service (CaaS) is a cloud service service level agreement (SLA) that specified how a managed service provider (...

  • data protection impact assessment (DPIA)

    A data protection impact assessment (DPIA) is a process designed to help organizations determine how data processing systems, ...


  • identity provider

    An identity provider is a system component that is able to provide an end user or internet-connected device with a single set of ...

  • firewall

    A firewall is software or firmware that enforces a set of rules about what data packets will be allowed to enter or leave a ...

  • encryption

    Encryption is the method by which information is converted into secret code that hides the information's true meaning. The ...



  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • disaster recovery team

    A disaster recovery team is a group of individuals focused on planning, implementing, maintaining, auditing and testing an ...

  • cloud insurance

    Cloud insurance is any type of financial or data protection obtained by a cloud service provider.